树属黄酮醇新苷类

IF 0.8 4区化学 Q4 CHEMISTRY, MEDICINAL

Chemistry of Natural Compounds Pub Date : 2025-03-25 DOI:10.1007/s10600-025-04621-6

D. N. Olennikov, N. I. Kashchenko, V. M. Shishmarev

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引用次数: 0

摘要

三种杉木属植物的研究。， D. octopetala L.， D. oxyodonta Juz。从生长在贝加尔湖地区的蔷薇科（Rosaceae）中分离出19种黄酮，其中包括7种新的黄酮醇苷。紫外、核磁共振光谱和质谱数据表征了新合成的黄酮类化合物为：8-甲氧基山奈酚3- o -α- l -阿拉伯吡喃苷（杉木苷A， 1）、8-甲氧基山奈酚3- o -α- l -阿拉伯吡喃苷（杉木苷B， 2）、8-甲氧基槲皮素3- o -α- l -阿拉伯吡喃苷（杉木苷C， 3）、8-甲氧基山奈酚3- o -（6′- o -咖啡基）-β-D-半乳糖苷（杉木苷D， 5）、8-甲氧基山奈酚3- o -（2′- o -咖啡基）-α- l -阿拉伯吡喃苷（杉木苷E， 6）。8-甲氧基槲皮素3-O-（6′- o -咖啡因基）-β-半乳糖苷（dryadoside F, 7）和8-甲氧基槲皮素3-O-（2′- o -咖啡因基）-α- l -arabinofuranoside (dryadoside G, 8).化合物5-8抑制人胰脂肪酶的活性。

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New Flavonol Glycosides from the Genus Dryas

Studies of three species of Dryas (D. sumneviczii Serg., D. octopetala L., D. oxyodonta Juz., Rosaceae), growing in Baikal District led to the isolation of 19 flavonoids, including seven new flavonol glycosides. UV and NMR spectroscopic and mass spectrometric data characterized the new flavonoids as 8-methoxykaempferol 3-O-α-L-arabinopyranoside (dryadoside A, 1), 8-methoxykaempferol 3-O-α-Larabinofuranoside (dryadoside B, 2), 8-methoxyquercetin 3-O-α-L-arabinopyranoside (dryadoside C, 3), 8-methoxykaempferol 3-O-(6′′-O-caffeyl)-β-D-galactopyranoside (dryadoside D, 5), 8-methoxykaempferol 3-O-(2′′-O-caffeyl)-α-L-arabinofuranoside (dryadoside E, 6), 8-methoxyquercetin 3-O-(6′′-O-caffeyl)-β-Dgalactopyranoside (dryadoside F, 7), and 8-methoxyquercetin 3-O-(2′′-O-caffeyl)-α-L-arabinofuranoside (dryadoside G, 8). Compounds 5–8 inhibited the activity of human pancreatic lipase.

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来源期刊

Chemistry of Natural Compounds 化学-有机化学

CiteScore

1.40

自引率

25.00%

发文量

265

审稿时长

7.8 months

期刊介绍： Chemistry of Natural Compounds publishes reviews and general articles about the structure of different classes of natural compounds, the chemical characteristics of botanical families, genus, and species, to establish the comparative laws and connection between physiological activity and the structure of substances.